Server system and heat dissipation device thereof

Abstract

An exemplary server system includes a server cabinet, multiple servers, and a heat dissipation module. The server cabinet includes a rack, a front door and a rear plate. The front door and the rear plate are hinged on front and rear sides of the rack, respectively. The servers are arranged in the server cabinet along a lateral axis of the server cabinet. The heat dissipation device includes a fan module mounted on the servers and a dissipating module arranged on the fan module. The fan module is configured for drawing airflow along an upward axis in the server cabinet.

What is claimed is: 
     
         1 . A server system, comprising:
 a server cabinet;   a plurality of servers arranged in the server cabinet; and   a heat dissipation device comprising a fan module mounted on the servers and a dissipating module arranged on the fan module.   
     
     
         2 . The server system of  claim 1 , wherein the fan module comprises a frame and a plurality of impellers rotatably received in the frame. 
     
     
         3 . The server system of  claim 2 , wherein the impellers are configured for drawing airflow along an upward axis in the server cabinet. 
     
     
         4 . The server system of  claim 2 , wherein the fan module further comprises a plurality of temperature sensors respectively connected to circuits of the impellers to control rotation of the impellers. 
     
     
         5 . The server system of  claim 2 , wherein the frame comprises two flanges respectively extending up from two opposite sides thereof to connect the fan module to the server cabinet. 
     
     
         6 . The server system of  claim 5 , wherein the dissipating module is arranged between the flanges of the frame. 
     
     
         7 . The server system of  claim 6 , wherein the dissipating module comprises a plurality of elongated fins arranged between the flanges, and a plurality of channels defined between the fins through which airflow drawn by the impeller passes. 
     
     
         8 . The server system of  claim 1 , wherein the server cabinet comprises a rack, and a front door and a rear plate, both hinged on front and rear sides of the rack, respectively. 
     
     
         9 . The server system of  claim 8 , wherein the rack comprises a rectangular top wall, a bottom wall parallel to and spaced from the top wall, a left sidewall interconnected between left sides of the top and bottom walls, and a right sidewall interconnected between right sides of the top and bottom walls, wherein the servers are arranged between the left and right sidewalls and parallel to the left and right sidewalls, and wherein an opening is defined in the bottom wall, and a plurality of ventilating holes are defined in the top wall. 
     
     
         10 . The server system of  claim 9 , wherein each server comprises two flanges respectively extending from front and rear sides thereof to abut a neighboring server, and the flanges at each of the front and rear sides of the servers cooperatively form a continuous wall to prevent air from escaping out of the servers through the front and rear sides thereof. 
     
     
         11 . A server system, comprising:
 a server cabinet comprising a rack, a front door and a rear plate, the front door hinged on a front side of the rack;   a plurality of servers arranged in the server cabinet along a transverse axis of the server cabinet; and   a heat dissipation device comprising a fan module mounted on the servers and a dissipating module arranged on the fan module, the fan module configured for drawing airflow in a direction from the plurality of servers upward to a top of the server cabinet.   
     
     
         12 . The server system of  claim 11 , wherein the fan module comprises a frame, a plurality of impellers rotatably received in the frame, and a plurality of temperature sensors respectively coupled to circuits of the impellers to control rotation of the impellers. 
     
     
         13 . The server system of  claim 12 , wherein the frame comprises two flanges respectively extending up from two opposite sides thereof to connect the fan module to the rack of the server cabinet. 
     
     
         14 . The server system of  claim 13 , wherein the dissipating module comprises a plurality of elongated fins arranged between the flanges, and a plurality of channels are defined between the fins through which airflow is drawn by the impeller. 
     
     
         15 . The server system of  claim 11 , wherein each server comprises two flanges respectively extending from front and rear sides thereof to abut a neighboring server, and wherein the flanges at each of the front and rear sides of the servers cooperatively form a continuous wall to prevent air from escaping out of the servers through the front and rear sides thereof. 
     
     
         16 . The server system of  claim 11 , wherein the rack comprises a rectangular top wall, a bottom wall parallel to and spaced from the top wall, a left sidewall interconnected between left sides of the top and bottom walls, and a right sidewall interconnected between right sides of the top and bottom walls, an opening being defined in the bottom wall, and a plurality of ventilating holes being defined in the top wall. 
     
     
         17 . A heat dissipation device, comprising:
 a fan module configured for mounting over a plurality of heat-generating components and drawing up heated air from around the heat-generating components; and   a dissipating module mounted on the fan module, the heat dissipating module defining a plurality of channels through which the heated air drawn by the fan module can pass to locations above the dissipating module.   
     
     
         18 . The heat dissipation device of  claim 17 , wherein the fan module comprises a frame, a plurality of impellers rotatably received in the frame, and a plurality of temperature sensors respectively coupled to circuits of the impellers to control rotation of the impellers. 
     
     
         19 . The heat dissipation device of  claim 18 , wherein the frame comprises two flanges respectively extending up from two opposite sides thereof for connecting the fan module. 
     
     
         20 . The heat dissipation device of  claim 19 , wherein the dissipating module comprises a plurality of elongated metal fins arranged between the flanges, between which the channels are defined.